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Muntari -
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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PENGEMBANGAN MULTIMEDIA INTERAKTIF BERBASIS KONTEKSTUAL UNTUK MENINGKATKAN KETERAMPILAN BERPIKIR KRITIS SISWA KELAS XI PADA MATERI POKOK SISTEM KOLOID Mardhika Surachman; Muntari -; Lalu Rudyat Telly Savalas
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 1 (2015): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i1.3

Abstract

The aims of this study were to: 1) generate interactive multimedia of colloidal system which is suitable to be implemented in schools, and to test the effectiveness of the interactive multimedia by: 2) knowing whether critical thinking skill of students who use context-based interactive multimedia is better than critical thinking skill of students who do not use context-based interactive multimedia on subject matter of the colloidal system. The method used in this study was research and development (R&D) according to the model of Borg & Gall’s development. The results of the expert validation by 4 validators and limited testing by 10 students showed that the interactive multimedia was very suitable to be used, with scores of 4.21 and 4.36 for expert validation and limited testing, respectively. Field trial  using a non-equivalent control group design with 2 class samples, resulted in the critical thinking skill of probability value of 0.00 (p < 0.05). From this research we can conclude that: 1) context-based interactive multimedia can be developed by means of analyzing the materials in each sub materials as the basis for developing primary form of product, then tested for it’s feasibility, effectiveness, and revised through an expert validation, limited field testing, and main field testing, consecutively, so that the resulting product is considered to be suitable for learning process, and 3) critical thinking skill of students who use context-based interactive multimedia is better than critical thinking skill of students who do not use context-based interactive multimedia on the subject matter of the colloidal system. Keywords: interactive multimedia, context learning, concept mastery, critical thinking skill
PENINGKATAN KETERAMPILAN BERPIKIR KRITIS MELALUI MODEL PEMBELAJARAN DISCOVERY LEARNING Devi Qurniati; Yayuk Andayani; Muntari -
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.20

Abstract

The importance of critical thinking skills for students in the study of chemistry, it is necessary to appropriate learning models that can involve students directly in making students active learning and improve students' critical thinking skills. One model that can be applied is discovery learning model learning. The purpose of this study was to determine the increase in critical thinking skills of students learning through discovery learning. This study was an experimental study design with nonequivalent pretest-Posttes Control Group Design. The subjects of the study involves two classes of experimental class and control class. Data collection instruments in the form of test critical thinking skills in the form of matter description. Statistical testing using independent sample t-test were previously tested for normality, homogeneity test at the 0.05 significance level. The results showed no difference in the increase in critical thinking skills in each of the indicators of critical thinking skills.Keywords: Discovery learning, critical thinking skills
PENGARUH MODEL PEMBELAJARAN BERBASIS MASALAH (PBM) DALAM SETTING PEMBELAJARAN KOOPERATIF TIPE TGT DAN GI TERHADAP KETERAMPILAN BERPIKIR KRITIS DAN HASIL BELAJAR KIMIA PESERTA DIDIK SMAN 1 AIKMEL Baiq Ismayawati; Agus Abhi Purwoko; Muntari -
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.33

Abstract

This study aims to describe the differences in critical thinking skills and chemistry learning achievement between learners who follow the model of problem-based learning (PBL) in cooperative learning settings TGT and GI at the rate of material reaction. The research is a quasi-experimental research design with pretest-posttest non equivalent control group designe with sample XI IPA 1 and XI IPA 2 are determined by random selection technique based on similarity mean value of daily tests I. Experiential learning and learner response is estimated to affect more significant learning achievement in the classroom PBM setting GI as evidenced by the average N-Gain learning outcomes in the classroom PBM setting GI of 0.43 and the average N-Gain learning achievement in the classroom PBM setting TGT of 0.32. The differences are also evidenced by the results of the hypothesis test showed a significance value of 0.002 (p <0.05). While based on the calculation of the average critical thinking skills in mind that PBM setting TGT has a more significant effect than the PBM GI settings as evidenced by the difference in the value of critical thinking skills after learning process (posttest) and prior to the learning process (pretest) on PBM classroom setting TGT and PBM GI settings are respectively 19.93 and 14.42. While the test is based on differences in critical thinking skills, it is known that there are differences between classes of critical thinking skills PBM settings TGT and PBM settings GI as evidenced by the significant value of 0.018 (p <0.05).Keywords: PBM setting TGT, PBM setting GI, critical thinking skills, learning achievement of chemistry.
Co-Authors Agus Abhi Purwoko Baiq Ismayawati Devi Qurniati LALU RUDYAT TELLY SAVALAS Mardhika Surachman Yayuk Andayani